Home / 455,524.80-681,674.40-397,003.20

Finding the Fourth Proportional to 455,524.80, 681,674.40 and 397,003.20

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Solution

The fourth proportional to 455,524.80, 681,674.40 and 397,003.20 is: 594,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,524.80 : 681,674.40 = 397,003.20 : x
  2. Step 2: Convert to fraction form
    455,524.80/681,674.40 = 397,003.20/x
  3. Step 3: Cross multiply
    455,524.80x = 681,674.40 × 397,003.20
  4. Step 4: Simplify right side
    455,524.80x = 270,626,918,158.08
  5. Step 5: Solve for x
    x = 270,626,918,158.08/455,524.80
  6. Step 6: Final answer
    x = 594,099.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.